Climatological Report (Monthly)
Issued by NWS Omaha/Valley, NE

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CLIMATE REPORT
NATIONAL WEATHER SERVICE OMAHA NEBRASKA
1137 AM CST MON JAN 1 2018

...................................

...THE LINCOLN, NEBRASKA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER
2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1887 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST            63   12/04
                        12/03
LOWEST            -17   12/27
AVG. MAXIMUM     38.9              37.2     1.7
AVG. MINIMUM     16.8              16.4     0.4
MEAN             27.9              26.8     1.1
DAYS MAX >= 90      0
DAYS MAX <= 32     10
DAYS MIN <= 32     30
DAYS MIN <= 0       4

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         4.42   2015
 MINIMUM         0.00   1889
TOTALS           0.38              0.95   -0.57
DAILY AVG.       0.01
DAYS >= .01         5
DAYS >= .10         3
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.12   12/24 TO 12/24
                        12/17 TO 12/17

SNOWFALL (INCHES)
RECORDS
 TOTAL           24.3   2009
TOTALS            4.3               5.9
SINCE 7/1         4.3
SNOWDEPTH AVG.      1                 3      -2
DAYS >= 1.0         2               1.8     0.2
GREATEST
 SNOW DEPTH         3   12/31
                        12/30
                        12/29
 24 HR TOTAL      2.1   12/24 TO 12/24

DEGREE DAYS
HEATING TOTAL    1143              1184     -41
 SINCE 7/1       2196              2445    -249
COOLING TOTAL       0                 0       0
 SINCE 1/1       1252              1173      79
.................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
HIGHEST WIND SPEED/DIRECTION    39/300    DATE  12/04
HIGHEST GUST SPEED/DIRECTION    56/290    DATE  12/04

SKY COVER
AVERAGE SKY COVER           0.30


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW               10     SLEET                      1
FOG                       7     FOG W/VIS <= 1/4 MILE      0
HAZE                      4

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.
>= INDICATES GREATER THAN OR EQUAL TO.
<= INDICATES LESS THAN OR EQUAL TO.

&&

...DECEMBER WAS DRIER AND SLIGHTLY WARMER THAN NORMAL IN LINCOLN...

WITH A WARM START AND A COLD FINISH, DECEMBER ENDED UP SLIGHTLY
WARMER THAN NORMAL, WITH THE AVERAGE TEMPERATURE OF 27.9 DEGREES
SITTING 1.1 DEGREES ABOVE NORMAL. IT WAS DRIER AND SLIGHTLY LESS
SNOWY THAN NORMAL, AS WELL, WITH 4.3 INCHES OF SNOW FALLING 1.6
INCHES BELOW NORMAL AND WITH JUST 0.38 INCHES OF PRECIPITATION.

DECEMBER TRULY WAS THE TALE OF TWO PATTERNS, WITH A WARM BEGINNING
AND MIDDLE BUT A BITTERLY COLD FINISH. THE AVERAGE TEMPERATURE OF
36.9 DEGREES FOR DECEMBER 1-20 WAS THE 15TH WARMEST ON RECORD,
DRIVEN BY MAXIMUM TEMPERATURES THAT WERE THE 4TH WARMEST FOR THE
SAME DATES. JUST 0.12 INCHES OF PRECIPITATATION FELL IN THAT PERIOD,
ON THE 17TH, WITH 0.1 INCH OF SNOW MARKING THE FIRST MEASURABLE
SNOWFALL OF THE YEAR AND WITH LIGHT FREEZING DRIZZLE, AS WELL. THE
WARMEST TEMPERATURE OF THE MONTH WAS 63 DEGREES ON THE 3RD AND 4TH,
ACCOMPANIED BY 56 MPH WIND GUSTS ON THE 4TH. THE 11TH WAS ANOTHER
BREEZY DAY, WITH WIND GUSTS REACHING 51 MPH.

THE PATTERN CHANGE BEGAN WITH THE WINTER SOLSTICE, ON THE 21ST, WITH
0.03 INCHES OF PRECIPITATION AND 0.2 INCHES OF SNOW. THE 22ND WAS
THE LAST DAY OF THE MONTH THAT ROSE ABOVE FREEZING, WITH
TEMPERATURES FROM THE 23RD TO 31ST NEVER WARMER THAN THE 24 DEGREES
RECORDED ON THE 28TH. SNOW FELL AGAIN ON THE 23RD AND 24TH, TOTALING
3.6 INCHES AND ASSURING A WHITE CHRISTMAS. PARTICULARLY COLD
TEMPERATURES ARRIVED ON THE 26TH, WITH A HIGH OF JUST 6 DEGREES AND
A LOW OF -12. THE LOW ON THE 27TH FELL TO -17 DEGREES, A DAILY
RECORD AND THE COLDEST READING OF THE MONTH AS WELL AS OF THE YEAR
2017. FLURRIES WERE RECORDED ON JUST ABOUT EVERY DAY TO END THE
MONTH. THE BITTEREST COLD ARRIVED ON NEW YEARS EVE, WITH A HIGH OF
ONLY ZERO DEGREES AND A LOW OF -11. THE AVERAGE TEMPERATURE OF 5.1
DEGREES FOR DECEMBER 25-31 WAS THE COLDEST ON RECORD FOR THAT LAST
WEEK OF THE YEAR, WELL BELOW THE PREVIOUS RECORD OF 7.8 DEGREES SET
IN 1983.


DAILY RECORDS SET IN DECEMBER 2017:
DATE          RECORD           READING  PREVIOUS RECORD
DECEMBER 27   COLD MIN TEMP    -17      -15 (1924)

$$

MAYES



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